Observation monitoring well manhole cover



FIG. 1 is a perspective view of an observation monitoring manhole covershowing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view; and

FIG. 6 is a right side elevational view, the left side being a mirrorimage thereof.

The ornamental design for an observation monitoring well manhole cover,as shown and described.